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What is QRM? An Introduction to Ham Radio Interference

QRM or RFI (Radio Frequency Interference) can play havoc with your ability to hear weak signals on Ham Radio. In this video myself and TheSmokinApe discuss how you can narrow down the sources of interference and what you can do about them.

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🎥 Watch more recent videos here:

0:00 What is QRM or RFI Interference?
1:49 Pulse Width Modulation causes problems
4:09 Every electronic device in the home is an emitter
5:28 Suppression toroid’s and common mode current
8:25 Identifying common QRM signals
12:25 Tools and tips for finding interference

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